NEC base station: Operation at 2590MHz

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Presentation transcript:

WiMAX range and throughput measurement setup at BBN Technologies, Cambridge, MA NEC base station: Operation at 2590MHz Antennas approximately 90 ft above ground NEC 120-degree sector antenna: tilt -10deg, -6deg, … Omni-directional antenna Anritsu spectrum analyzer Parameters for WiMAX measurements? Good for evaluating path loss Linux laptop with Intel 6250 WiMAX modem as mobile station (MS): Internal 6250 with internal antenna External (USB-connected) 6250 with omni antenna Evaluate connection between MS to server in testbed network, using script in MS, and measurements from BTS: RSSI; ping packet loss; iperf RT throughput

Neighborhood of BBN Technologies, Cambridge, MA

Photo of BBN base station and Concord Ave measurement points 41 - 48 (0 mi, 90 ft up) BBN Base Station Antenna 41 (0.058 mi) Center Parking Lot 42 (0.085 mi) Social Security Entrance 43 (0.090 mi) NE Fawcett- Concord 44 (0.097 mi) SE 45 (0.153 mi) T (Bus) Stop 46 (0.200 mi) S Wheeler- 47 (0.221 mi) West edge rotary 48 (0.254 mi) East edge BBN Base Station 41 42 43 44 45 46 47 48

Evaluation of connection between mobile station and BBN base station (MS) Base Station (BTS) .bbn.dataplane.geni.net public Internet BTS ODU/IDU ASNGWsalamis GREtunnel WiMAX modem “argos” test host 192.1.240.126 Servers internal Intel 6250 USB-connected Intel 6250 Logmon GEO netmon Servers Range/throughput experiment script ping iperf ftpsrv httpsrv VLC video Ekiga VoIP Scan/connect RSSI Ping iperf download file HTTP web interface Video VoIP